| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-091-5053 (000915053) |
| NCB Code | USA (00) |
| Manufacturer | Alcoa Global Fasteners Inc, Huck International Inc, Nerojet General Corp, Northrop Grumman Systems Corporation, Northrop Grumman Technical Services Inc, Sps Technologies Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 51B222-4 | alcoa global fasteners inc | screw close tolerance | 92215 | RFQ |
| 51B222-4 | huck international inc | screw close tolerance | 17446 | RFQ |
| 51B222-4 | nerojet general corp | screw close tolerance | 0ah95 | RFQ |
| 51B222-4 | northrop grumman systems corporation | screw close tolerance | 79u29 | RFQ |
| 51B222-4 | northrop grumman technical services inc | screw close tolerance | 0jrc1 | RFQ |
| 51B222-4 | sps technologies inc | screw close tolerance | 80539 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.286 INCHES MINIMUM AND 0.363 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.551 INCHES MINIMUM AND 0.598 INCHES MAXIMUM |
| AASK | HEAD STYLE | PAN |
| AASL | HEAD DIAMETER | 0.464 INCHES MINIMUM AND 0.488 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.133 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQBC | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
| MATT | MATERIAL | STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2 CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| ZZZK | SPECIFICATION/STANDARD DATA | 76823-51B222 MANUFACTURERS STANDARD |
| Components Related to NSN - 5305-00-091-5053, 5305000915053 | ||||
| 5325-01-017-8809 (5325010178809) | 5330-01-278-3019 (5330012783019) | 5365-01-304-3832 (5365013043832) | 5305-15-060-1487 (5305150601487) | |
| 5305-01-361-3193 (5305013613193) | 5330-01-259-4088 (5330012594088) | 5340-01-672-8342 (5340016728342) | 5342-00-452-9798 (5342004529798) | |
| 5310-01-175-0629 (5310011750629) | 5330-01-120-4149 (5330011204149) | 5331-01-441-4577 (5331014414577) | 5330-01-425-8795 (5330014258795) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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